c++ write the all code

that moves the nth element (counting from the front, which is element 1 ) of the queue to the front, leaving the order of all other elements unchanged. The function throws the rangeError exception if n q.size(). The figure illustrates the action of n2 front() if for an integer queue and n=4. 430 Chapter 8 Queues an n=4(4th element of queue )